gtk/testsuite/reftests/image-recording-surface.c

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/*
* Copyright (C) 2014 Red Hat Inc.
*
* Author:
* Matthias Clasen <mclasen@redhat.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <gtk/gtk.h>
G_MODULE_EXPORT void
image_recording_surface_set (GtkWidget *widget,
gpointer unused)
{
GError *error = NULL;
GdkPixbuf *pixbuf;
cairo_surface_t *surface;
cairo_t *cr;
cairo_rectangle_t rect;
pixbuf = gdk_pixbuf_new_from_resource ("/org/gtk/libgtk/inspector/logo.png", &error);
g_assert_no_error (error);
rect.x = 0;
rect.y = 0;
rect.width = gdk_pixbuf_get_width (pixbuf);
rect.height = gdk_pixbuf_get_height (pixbuf);
surface = cairo_recording_surface_create (CAIRO_CONTENT_COLOR_ALPHA, &rect);
cr = cairo_create (surface);
gdk_cairo_set_source_pixbuf (cr, pixbuf, 0, 0);
cairo_paint (cr);
cairo_destroy (cr);
gtk_image_set_from_surface (GTK_IMAGE (widget), surface);
cairo_surface_destroy (surface);
g_object_unref (pixbuf);
}